From a patch privately suggested by Mattias Engdegård on 2020-05-11
in a followup to Bug#40671.
* admin/charsets/cp51932.awk:
* admin/charsets/eucjp-ms.awk:
Generate code that does not modify constant conses.
* doc/misc/emacs-mime.texi (Encoding Customization):
* lisp/emacs-lisp/byte-opt.el (byte-compile-side-effect-free-ops):
* lisp/frameset.el (frameset-persistent-filter-alist):
* lisp/gnus/gnus-sum.el (gnus-article-mode-line-format-alist):
Use append instead of nconc.
* lisp/language/japanese.el (japanese-ucs-cp932-to-jis-map)
(jisx0213-to-unicode):
Use mapcar instead of mapc.
* lisp/language/lao-util.el (lao-transcription-consonant-alist)
(lao-transcription-vowel-alist):
* lisp/language/tibetan.el (tibetan-subjoined-transcription-alist):
Use copy-sequence.
* test/src/fns-tests.el (fns-tests-nreverse):
(fns-tests-sort, fns-tests-collate-sort)
(fns-tests-string-version-lessp, fns-tests-mapcan):
Use copy-sequence, vector, and list.
b4937f64cd (origin/emacs-27) Improve documentation of manually instal...
efd4e973a4 Reflect the emacs-devel ELPA/MELPA dispute in FAQ
28541674cd Consider face inheritance when checking region face backgr...
e75f6be6cc Fix dired default file operation (bug#41261)
406fb0746c Fix documentation related to 'command-switch-alist'.
747e0a2523 Improve ediff readability in misterioso theme (Bug#41221)
48830c73e7 Fix a crash in handle_display_spec
a37290a6f9 In x_hide_tip reset tip_last_frame for GTK+ tooltips only ...
3d81995692 Fix docstring of flymake-make-diagnostic (bug#40351)
632aa9d57a Go back to “Bahá’í”
e2406ff60f * lisp/dired.el (dired-toggle-marks): Doc fix. (Bug#41097)
# Conflicts:
# doc/emacs/building.texi
While there, add a unit test to verify the behavior.
* doc/lispref/os.texi (Command-Line Arguments): Fix documentation: the
option string in 'command-switch-alist' does include leading hyphens.
Also mention that 'command-switch-alist' parsing ignores equals signs
in options.
* test/lisp/startup-tests.el
(startup-tests/command-switch-alist): New unit test.
Add a new function, file-modes-number-to-symbolic.
Make archive-int-to-mode and obsolete alias of it; use it
to define tar-grind-file-mode (Bug#27952).
* lisp/files.el (file-modes-number-to-symbolic): New defun.
* lisp/arc-mode.el (archive-int-to-mode): Make it an obsolete alias.
* lisp/tar-mode.el (tar-grind-file-mode):
Use file-modes-number-to-symbolic.
* test/lisp/arc-mode-tests.el (arc-mode-test-archive-int-to-mode)
* test/lisp/tar-mode-tests.el (tar-mode-test-tar-grind-file-mode):
Update test.
* test/lisp/files-tests.el (files-tests-file-modes-symbolic-to-number)
(files-tests-file-modes-number-to-symbolic): New tests.
* doc/lispref/files.texi (Changing Files): Document the new funtion.
* etc/NEWS (Lisp Changes in Emacs 28.1): Announce it.
Computing determinant and inverse for on some matrices containing
non-numeric elements failed or gave the wrong result.
Reported by Mauro Aranda.
* lisp/calc/calc-mtx.el (math-do-matrix-lud): Don't use zero as pivot.
* test/lisp/calc/calc-tests.el (calc-matrix-determinant): New test.
* lisp/textmodes/css-mode.el (css-nmchar-re): Allow underscores in
variable names (and in identifiers in general).
* test/manual/indent/css-mode.css: Add some examples of variable names
with underscores in them.
* test/manual/indent/less-css-mode.less: Add some examples of variable
names with underscores in them.
* test/manual/indent/scss-mode.scss: Add some examples of variable
names with underscores in them.
* lisp/help-mode.el: Use lexical-binding.
(help-mode-map, help-mode-menu, help-mode-setup)
(help-mode-finish): Make spelling of "Help mode" consistent throughout
the doc strings (also making it consistent with the spelling of "Help
mode" used in the Elisp manual).
(help-do-xref): Re-indent to make the else-branch easier to see.
* test/lisp/help-mode-tests.el: New file with tests for help-mode.el.
* lisp/emacs-lisp/package.el
(package-menu-filter-marked): New filter command.
* test/lisp/emacs-lisp/package-tests.el
(package-test-list-filter-marked): New test.
(package-menu-mode-menu):
(package-menu-mode-map): Update menu to include new filter command.
* doc/emacs/package.texi (Package Menu): Document the new command.
* etc/NEWS: Announce the new command.
* lisp/progmodes/cc-mode (c-or-c++-mode--regexp): Expand the regexp to
match some more C++-only constructs and recognise a few more standard
C++ header files. Also make sure identifiers start with non-digit.
(c-or-c++-mode): Add ‘(interactive)’ declaration.
* test/lisp/progmodes/cc-mode-tests.el (c-or-c++-mode): Add test case
for the newly recognised constructs.
Introduce ‘c-lineup-ternary-bodies’ function which, when used as
a c lineup function, aligns question mark and colon of a ternary
operator. For example:
return arg % 2 == 0 ? arg / 2
: (3 * arg + 1);
* lisp/progmodes/cc-align.el (c-lineup-ternary-bodies): New function.
* doc/misc/cc-mode.texi (Operator Line-Up Functions): Document the
new function.
* test/lisp/progmodes/cc-mode-tests.el (c-lineup-ternary-bodies): New
test case.
* lisp/emacs-lisp/cl-macs.el (cl--parse-loop-clause): Put the temp-idx
increment in cl--loop-body, leaving just the side-effect free testing
of the index for both cl--loop-body and cl--loop-conditions.
* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs-loop-and-arrays):
Extend test to cover this case.
It fails when using 'and' (parallel bindings) for arrays (Bug#40727).
* lisp/emacs-lisp/cl-macs.el (cl--parse-loop-clause): Revert to
recomputing array length.
* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs-loop-and-arrays): New
test.
* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs-loop-for-as-equals-and)
(cl-macs-loop-conditional-step-clauses): Set :expected-result to
:failed.
Don't merge to master. The mentioned reverts are a safe-for-release
fix for Bug#40727.
* lisp/emacs-lisp/check-declare.el: Use lexical-binding.
(check-declare-warn): Silence byte compiler warning about unused
lexical argument.
* test/lisp/emacs-lisp/check-declare-tests.el: New file with tests
for check-declare.el.
* test/lisp/calendar/iso8601-tests.el
(iso8601-format-time-string-zone-round-trip): New unit test that
format-time-string %z and iso8601-parse-zone are inverses.
(test-iso8601-format-time-string-zone-round-trip): New helper function.
